Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548193 | Quadrupole mass spectrometer with quadrupole mass filter as a mass separator | Shigenobu Nakano, Minoru Fujimoto | 2017-01-17 |
| 9396920 | Ionization chamber | Wataru Fukui | 2016-07-19 |
| 9218948 | Mass spectrometer | — | 2015-12-22 |
| 8969791 | Quantitative analysis method using mass spectrometer | — | 2015-03-03 |
| 8822915 | Atmospheric pressure ionization mass spectrometer | Daisuke Okumura | 2014-09-02 |
| 8653447 | Chromatograph mass spectrometer | — | 2014-02-18 |
| 8637810 | Atmospheric pressure ionization mass spectrometer | Daisuke Okumura | 2014-01-28 |
| 8445844 | Quadrupole mass spectrometer | Shiro Mizutani, Shuichi Kawana | 2013-05-21 |
| 8410436 | Quadrupole mass spectrometer | Shigenobu Nakano, Minoru Fujimoto | 2013-04-02 |
| 8378294 | Method of atmospheric pressure ionization for mass spectrometer | — | 2013-02-19 |
| 8299427 | Mass spectrometer | — | 2012-10-30 |
| 8207495 | Quadrupole mass spectrometer | Daisuke Okumura | 2012-06-26 |
| 8188426 | Quadropole mass spectrometer | — | 2012-05-29 |
| 8148675 | Collision cell for an MS/MS mass spectrometer | Daisuke Okumura, Hiroto Itoi | 2012-04-03 |
| 7910880 | Mass spectrometer | Shiro Mizutani | 2011-03-22 |
| 7795580 | Sample introduction device for mass spectrometer | — | 2010-09-14 |
| 7582861 | Mass spectrometer | — | 2009-09-01 |
| 6653624 | Mass spectrograph | Mitsuaki Fukuda, Masahiro Kojima | 2003-11-25 |
| 6444978 | Mass spectrometer having lens unit supported with springs | — | 2002-09-03 |